IT/OT Network Engineer

IT/OT Network EngineerPeterborough, Cambridgeshire UKMonday - Friday, fully on-site roleMcCormick is seeking an experienced IT/OT Network Engineer to support and maintain our integrated IT and OT network infrastructure at the Peterborough site. This on-site role ensures the reliability, security, and performance of critical network systems supporting both enterprise and manufacturing operations. The position plays a key part in maintaining seamless connectivity and supporting continuous improvement across production and IT environments.MAIN RESPONSIBILITIES #LI-DNI

• Maintain and monitor IT/OT network performance, ensuring high availability and security.
• Configure, troubleshoot, and maintain switches, routers, firewalls, and PLC network components.
• Manage and maintain structured and fibre optic cabling to McCormick standards.
• Diagnose and resolve network connectivity and firewall issues across IT and OT systems.
• Collaborate with automation and controls engineers to integrate and support industrial devices.
• Conduct preventive maintenance and ensure documentation of network assets and configurations.
• Support network segmentation, cybersecurity, and compliance initiatives.
• Provide training in fault-finding techniques to the on-site maintenance team.

• Proven experience in network engineering within both IT and OT environments.
• Strong knowledge of network hardware, including switches, routers, firewalls, and PLC switches.
• Hands-on experience with structured and fibre optic cabling systems.
• Effective communicator with the ability to work independently in a highly automated manufacturing environment.
• Familiarity with network monitoring tools and industrial protocols (Ethernet/IP, Modbus TCP).
• Understanding of network security, segmentation, and firewall configuration principles.
• Relevant certifications (e.g., Cisco CCNA/CCNP, CompTIA Network+) preferred.
• Excellent analytical, troubleshooting, and problem-solving skills.